说明如何备份注册表，以便在Windows 10、Windows 8.1、Windows 8或 Windows 7 中损坏注册表时进行还原。 手动备份注册表 选择“ 开始 ”，在搜索框中键入 regedit.exe ，然后按 Enter。如果系统提示你输入管理员密码或进行确认，请键入密码或提供确认信息。

如果新电脑上反复提示激活 Office Standard 或 Office Professional Plus，可更新注册表以消除提示。 在新电脑上安装 Office Standard 或 Office Professional Plus 的批量许可版本时，可能会在每次启动 Office 时看到一个提示屏幕，即“让我们开始吧”屏幕。出现这种 ...

适用于 Windows 7 SP1 和 Windows 8.1 的新 Microsoft Edge 更新：2020 年 6 月 17 日. 此更新不以企业设备为目标。. 具体而言，此更新面向运行 Windows 7 SP1 或更高版本以及 Windows 8.1 或更高版本（家庭版、专业版、旗舰版、初学者版或核心版）的设备。. 在 Active Directory 或 Azure ...

Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following: Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through ...

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...

注意: 如果是通过以下任一方式获取的 Microsoft 365：Microsoft 工作区折扣计划(以前称为家用许可计划)，则安装 2019、2016 或 2013 版的 Office 专业增强版、Office 标准版或独立应用（如 Word 或 Project）的步骤可能会有所不同：如果你通过公司购买了 Microsoft 365 供个人使用，请参阅通过工作场所折扣计划安装 ...

Cast to a Windows PC from another Windows PC. On the PC you'd like to project from, select Start > Settings > System > Projecting to this PC . Under Add the “Wireless Display” optional feature to project to this PC, select Optional features . Next to Add an optional feature, select View features, then enter “wireless display.”.

First, launch Windows Backup: select Start , type windows backup, and select Windows Backup from the results. (Or you can select Start > All apps > Windows Backup .) Then select Folders to drop it down, and select which of your user folders you want to back up to OneDrive: You can back up your Desktop, Documents, Pictures, Videos, and Music ...

To create installation media, go to the software download website, where you'll find step-by-step instructions. On that website, you can select a version of Windows and create your own installation media using either a USB flash drive or a DVD. To go directly to one of the versions, select one of these links: Windows 10 (Then select Download now.)

AND 和 OR 函数最多可支持 255 个单独条件，但并不建议使用多个条件，因为构建、测试和维护复杂的嵌套公式是非常难的。. NOT 函数仅采用一个条件。. 下面是根据它们的逻辑写出的公式：. 公式. 说明. =IF (AND (A2>0,B2<100),TRUE, FALSE) 如果 A2 (25) 大于 0，并且 B2 (75 ...